<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" />
      </div>
      <!-- 表单区域 -->
      <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" class="login_form">
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" placeholder="请输入用户名" prefix-icon="el-icon-user"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            type="password"
            placeholder="请输入密码"
            prefix-icon="el-icon-lock"
          ></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
import { loginData } from "../network/login";
export default {
  name: "login",
  data() {
    return {
      // 这是登录表单的数据对象
      loginForm: {
        username: "admin",
        password: "123456"
      },
      // 表单的验证规则
      loginFormRules: {
        username: [
          { required: true, message: "请输入登录名称", trigger: "blur" },
          { min: 3, max: 10, message: "长度在 3 到 10 个字符", trigger: "blur" }
        ],
        password: [
          { required: true, message: "请输入登录密码", trigger: "blur" },
          { min: 6, max: 15, message: "长度在 6 到 15 个字符", trigger: "blur" }
        ]
      }
    };
  },
  methods: {
    // 点击重置按钮
    resetLoginForm() {
      // console.log(this);
      this.$refs.loginFormRef.resetFields();
    },
    login() {
      this.$refs.loginFormRef.validate(valid => {
        if (!valid) return;
        // 发请求
        loginData(this.loginForm.username, this.loginForm.password).then(
          res => {
            if (res.meta.status !== 200) return this.$message.error("登录失败");
            this.$message.success("登录成功");
            // console.log(res);
            window.sessionStorage.setItem("token", res.data.token);
            this.$router.push('/home')
          }
        );
      });
    }
  }
};
</script>
<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  height: 300px;
  width: 450px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    height: 130px;
    width: 130px;
    border-radius: 50%;
    border: 1px solid #eee;
    box-shadow: 0px 0px 10px #ddd;
    padding: 10px;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>